/* GDK - The GIMP Drawing Kit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 * Copyright (C) 1998-2002 Tor Lillqvist
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#include <pango/pangowin32.h>

#include "gdkfont.h"
#include "gdkpango.h" /* gdk_pango_context_get() */
#include "gdkdisplay.h"
#include "gdkprivate-win32.h"

static GHashTable *font_name_hash = NULL;
static GHashTable *fontset_name_hash = NULL;

static void
gdk_font_hash_insert (GdkFontType  type,
		      GdkFont     *font,
		      const gchar *font_name)
{
  GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
  GHashTable **hashp = (type == GDK_FONT_FONT) ?
    &font_name_hash : &fontset_name_hash;

  if (!*hashp)
    *hashp = g_hash_table_new (g_str_hash, g_str_equal);

  private->names = g_slist_prepend (private->names, g_strdup (font_name));
  g_hash_table_insert (*hashp, private->names->data, font);
}

static void
gdk_font_hash_remove (GdkFontType type,
		      GdkFont    *font)
{
  GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
  GSList *tmp_list;
  GHashTable *hash = (type == GDK_FONT_FONT) ?
    font_name_hash : fontset_name_hash;

  tmp_list = private->names;
  while (tmp_list)
    {
      g_hash_table_remove (hash, tmp_list->data);
      g_free (tmp_list->data);
      
      tmp_list = tmp_list->next;
    }

  g_slist_free (private->names);
  private->names = NULL;
}

static GdkFont *
gdk_font_hash_lookup (GdkFontType  type,
		      const gchar *font_name)
{
  GdkFont *result;
  GHashTable *hash = (type == GDK_FONT_FONT) ?
    font_name_hash : fontset_name_hash;

  if (!hash)
    return NULL;
  else
    {
      result = g_hash_table_lookup (hash, font_name);
      if (result)
	gdk_font_ref (result);
      
      return result;
    }
}

static const char *
charset_name (DWORD charset)
{
  switch (charset)
    {
    case ANSI_CHARSET: return "ansi";
    case DEFAULT_CHARSET: return "default";
    case SYMBOL_CHARSET: return "symbol";
    case SHIFTJIS_CHARSET: return "shiftjis";
    case HANGEUL_CHARSET: return "hangeul";
    case GB2312_CHARSET: return "gb2312";
    case CHINESEBIG5_CHARSET: return "big5";
    case JOHAB_CHARSET: return "johab";
    case HEBREW_CHARSET: return "hebrew";
    case ARABIC_CHARSET: return "arabic";
    case GREEK_CHARSET: return "greek";
    case TURKISH_CHARSET: return "turkish";
    case VIETNAMESE_CHARSET: return "vietnamese";
    case THAI_CHARSET: return "thai";
    case EASTEUROPE_CHARSET: return "easteurope";
    case RUSSIAN_CHARSET: return "russian";
    case MAC_CHARSET: return "mac";
    case BALTIC_CHARSET: return "baltic";
    }
  return "unknown";
}

/* This table classifies Unicode characters according to the Microsoft
 * Unicode subset numbering. This is based on the table in "Developing
 * International Software for Windows 95 and Windows NT". This is almost,
 * but not quite, the same as the official Unicode block table in
 * Blocks.txt from ftp.unicode.org. The bit number field is the bitfield
 * number as in the FONTSIGNATURE struct's fsUsb field.
 * There are some grave bugs in the table in the books. For instance
 * it claims there are Hangul at U+3400..U+4DFF while this range in
 * fact contains CJK Unified Ideographs Extension A. Also, the whole
 * block of Hangul Syllables U+AC00..U+D7A3 is missing from the book.
 */

typedef enum
{
  U_BASIC_LATIN = 0,
  U_LATIN_1_SUPPLEMENT = 1,
  U_LATIN_EXTENDED_A = 2,
  U_LATIN_EXTENDED_B = 3,
  U_IPA_EXTENSIONS = 4,
  U_SPACING_MODIFIER_LETTERS = 5,
  U_COMBINING_DIACRITICAL_MARKS = 6,
  U_BASIC_GREEK = 7,
  U_GREEK_SYMBOLS_AND_COPTIC = 8,
  U_CYRILLIC = 9,
  U_ARMENIAN = 10,
  U_HEBREW_EXTENDED = 12,
  U_BASIC_HEBREW = 11,
  U_BASIC_ARABIC = 13,
  U_ARABIC_EXTENDED = 14,
  U_DEVANAGARI = 15,
  U_BENGALI = 16,
  U_GURMUKHI = 17,
  U_GUJARATI = 18,
  U_ORIYA = 19,
  U_TAMIL = 20,
  U_TELUGU = 21,
  U_KANNADA = 22,
  U_MALAYALAM = 23,
  U_THAI = 24,
  U_LAO = 25,
  U_GEORGIAN_EXTENDED = 27,
  U_BASIC_GEORGIAN = 26,
  U_HANGUL_JAMO = 28,
  U_LATIN_EXTENDED_ADDITIONAL = 29,
  U_GREEK_EXTENDED = 30,
  U_GENERAL_PUNCTUATION = 31,
  U_SUPERSCRIPTS_AND_SUBSCRIPTS = 32,
  U_CURRENCY_SYMBOLS = 33,
  U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS = 34,
  U_LETTERLIKE_SYMBOLS = 35,
  U_NUMBER_FORMS = 36,
  U_ARROWS = 37,
  U_MATHEMATICAL_OPERATORS = 38,
  U_MISCELLANEOUS_TECHNICAL = 39,
  U_CONTROL_PICTURES = 40,
  U_OPTICAL_CHARACTER_RECOGNITION = 41,
  U_ENCLOSED_ALPHANUMERICS = 42,
  U_BOX_DRAWING = 43,
  U_BLOCK_ELEMENTS = 44,
  U_GEOMETRIC_SHAPES = 45,
  U_MISCELLANEOUS_SYMBOLS = 46,
  U_DINGBATS = 47,
  U_CJK_SYMBOLS_AND_PUNCTUATION = 48,
  U_HIRAGANA = 49,
  U_KATAKANA = 50,
  U_BOPOMOFO = 51,
  U_HANGUL_COMPATIBILITY_JAMO = 52,
  U_CJK_MISCELLANEOUS = 53,
  U_ENCLOSED_CJK = 54,
  U_CJK_COMPATIBILITY = 55,
  U_HANGUL = 56,
  U_HANGUL_SUPPLEMENTARY_A = 57,
  U_HANGUL_SUPPLEMENTARY_B = 58,
  U_CJK_UNIFIED_IDEOGRAPHS = 59,
  U_PRIVATE_USE_AREA = 60,
  U_CJK_COMPATIBILITY_IDEOGRAPHS = 61,
  U_ALPHABETIC_PRESENTATION_FORMS = 62,
  U_ARABIC_PRESENTATION_FORMS_A = 63,
  U_COMBINING_HALF_MARKS = 64,
  U_CJK_COMPATIBILITY_FORMS = 65,
  U_SMALL_FORM_VARIANTS = 66,
  U_ARABIC_PRESENTATION_FORMS_B = 67,
  U_SPECIALS = 69,
  U_HALFWIDTH_AND_FULLWIDTH_FORMS = 68,
  U_LAST_PLUS_ONE
} unicode_subset;

static struct {
  wchar_t low, high;
  unicode_subset bit; 
  gchar *name;
} utab[] =
{
  { 0x0000, 0x007E,
    U_BASIC_LATIN, "Basic Latin" },
  { 0x00A0, 0x00FF,
    U_LATIN_1_SUPPLEMENT, "Latin-1 Supplement" },
  { 0x0100, 0x017F,
    U_LATIN_EXTENDED_A, "Latin Extended-A" },
  { 0x0180, 0x024F,
    U_LATIN_EXTENDED_B, "Latin Extended-B" },
  { 0x0250, 0x02AF,
    U_IPA_EXTENSIONS, "IPA Extensions" },
  { 0x02B0, 0x02FF,
    U_SPACING_MODIFIER_LETTERS, "Spacing Modifier Letters" },
  { 0x0300, 0x036F,
    U_COMBINING_DIACRITICAL_MARKS, "Combining Diacritical Marks" },
  { 0x0370, 0x03CF,
    U_BASIC_GREEK, "Basic Greek" },
  { 0x03D0, 0x03FF,
    U_GREEK_SYMBOLS_AND_COPTIC, "Greek Symbols and Coptic" },
  { 0x0400, 0x04FF,
    U_CYRILLIC, "Cyrillic" },
  { 0x0530, 0x058F,
    U_ARMENIAN, "Armenian" },
  { 0x0590, 0x05CF,
    U_HEBREW_EXTENDED, "Hebrew Extended" },
  { 0x05D0, 0x05FF,
    U_BASIC_HEBREW, "Basic Hebrew" },
  { 0x0600, 0x0652,
    U_BASIC_ARABIC, "Basic Arabic" },
  { 0x0653, 0x06FF,
    U_ARABIC_EXTENDED, "Arabic Extended" },
  { 0x0900, 0x097F,
    U_DEVANAGARI, "Devanagari" },
  { 0x0980, 0x09FF,
    U_BENGALI, "Bengali" },
  { 0x0A00, 0x0A7F,
    U_GURMUKHI, "Gurmukhi" },
  { 0x0A80, 0x0AFF,
    U_GUJARATI, "Gujarati" },
  { 0x0B00, 0x0B7F,
    U_ORIYA, "Oriya" },
  { 0x0B80, 0x0BFF,
    U_TAMIL, "Tamil" },
  { 0x0C00, 0x0C7F,
    U_TELUGU, "Telugu" },
  { 0x0C80, 0x0CFF,
    U_KANNADA, "Kannada" },
  { 0x0D00, 0x0D7F,
    U_MALAYALAM, "Malayalam" },
  { 0x0E00, 0x0E7F,
    U_THAI, "Thai" },
  { 0x0E80, 0x0EFF,
    U_LAO, "Lao" },
  { 0x10A0, 0x10CF,
    U_GEORGIAN_EXTENDED, "Georgian Extended" },
  { 0x10D0, 0x10FF,
    U_BASIC_GEORGIAN, "Basic Georgian" },
  { 0x1100, 0x11FF,
    U_HANGUL_JAMO, "Hangul Jamo" },
  { 0x1E00, 0x1EFF,
    U_LATIN_EXTENDED_ADDITIONAL, "Latin Extended Additional" },
  { 0x1F00, 0x1FFF,
    U_GREEK_EXTENDED, "Greek Extended" },
  { 0x2000, 0x206F,
    U_GENERAL_PUNCTUATION, "General Punctuation" },
  { 0x2070, 0x209F,
    U_SUPERSCRIPTS_AND_SUBSCRIPTS, "Superscripts and Subscripts" },
  { 0x20A0, 0x20CF,
    U_CURRENCY_SYMBOLS, "Currency Symbols" },
  { 0x20D0, 0x20FF,
    U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS, "Combining Diacritical Marks for Symbols" },
  { 0x2100, 0x214F,
    U_LETTERLIKE_SYMBOLS, "Letterlike Symbols" },
  { 0x2150, 0x218F,
    U_NUMBER_FORMS, "Number Forms" },
  { 0x2190, 0x21FF,
    U_ARROWS, "Arrows" },
  { 0x2200, 0x22FF,
    U_MATHEMATICAL_OPERATORS, "Mathematical Operators" },
  { 0x2300, 0x23FF,
    U_MISCELLANEOUS_TECHNICAL, "Miscellaneous Technical" },
  { 0x2400, 0x243F,
    U_CONTROL_PICTURES, "Control Pictures" },
  { 0x2440, 0x245F,
    U_OPTICAL_CHARACTER_RECOGNITION, "Optical Character Recognition" },
  { 0x2460, 0x24FF,
    U_ENCLOSED_ALPHANUMERICS, "Enclosed Alphanumerics" },
  { 0x2500, 0x257F,
    U_BOX_DRAWING, "Box Drawing" },
  { 0x2580, 0x259F,
    U_BLOCK_ELEMENTS, "Block Elements" },
  { 0x25A0, 0x25FF,
    U_GEOMETRIC_SHAPES, "Geometric Shapes" },
  { 0x2600, 0x26FF,
    U_MISCELLANEOUS_SYMBOLS, "Miscellaneous Symbols" },
  { 0x2700, 0x27BF,
    U_DINGBATS, "Dingbats" },
  { 0x3000, 0x303F,
    U_CJK_SYMBOLS_AND_PUNCTUATION, "CJK Symbols and Punctuation" },
  { 0x3040, 0x309F,
    U_HIRAGANA, "Hiragana" },
  { 0x30A0, 0x30FF,
    U_KATAKANA, "Katakana" },
  { 0x3100, 0x312F,
    U_BOPOMOFO, "Bopomofo" },
  { 0x3130, 0x318F,
    U_HANGUL_COMPATIBILITY_JAMO, "Hangul Compatibility Jamo" },
  { 0x3190, 0x319F,
    U_CJK_MISCELLANEOUS, "CJK Miscellaneous" },
  { 0x3200, 0x32FF,
    U_ENCLOSED_CJK, "Enclosed CJK" },
  { 0x3300, 0x33FF,
    U_CJK_COMPATIBILITY, "CJK Compatibility" },
  /* The book claims:
   * U+3400..U+3D2D = Hangul
   * U+3D2E..U+44B7 = Hangul Supplementary A
   * U+44B8..U+4DFF = Hangul Supplementary B
   * but actually in Unicode
   * U+3400..U+4DB5 = CJK Unified Ideographs Extension A
   */
  { 0x3400, 0x4DB5,
    U_CJK_UNIFIED_IDEOGRAPHS, "CJK Unified Ideographs Extension A" },
  { 0x4E00, 0x9FFF,
    U_CJK_UNIFIED_IDEOGRAPHS, "CJK Unified Ideographs" },
  /* This was missing completely from the book's table. */
  { 0xAC00, 0xD7A3,
    U_HANGUL, "Hangul Syllables" },
  { 0xE000, 0xF8FF,
    U_PRIVATE_USE_AREA, "Private Use Area" },
  { 0xF900, 0xFAFF,
    U_CJK_COMPATIBILITY_IDEOGRAPHS, "CJK Compatibility Ideographs" },
  { 0xFB00, 0xFB4F,
    U_ALPHABETIC_PRESENTATION_FORMS, "Alphabetic Presentation Forms" },
  { 0xFB50, 0xFDFF,
    U_ARABIC_PRESENTATION_FORMS_A, "Arabic Presentation Forms-A" },
  { 0xFE20, 0xFE2F,
    U_COMBINING_HALF_MARKS, "Combining Half Marks" },
  { 0xFE30, 0xFE4F,
    U_CJK_COMPATIBILITY_FORMS, "CJK Compatibility Forms" },
  { 0xFE50, 0xFE6F,
    U_SMALL_FORM_VARIANTS, "Small Form Variants" },
  { 0xFE70, 0xFEFE,
    U_ARABIC_PRESENTATION_FORMS_B, "Arabic Presentation Forms-B" },
  { 0xFEFF, 0xFEFF,
    U_SPECIALS, "Specials" },
  { 0xFF00, 0xFFEF,
    U_HALFWIDTH_AND_FULLWIDTH_FORMS, "Halfwidth and Fullwidth Forms" },
  { 0xFFF0, 0xFFFD,
    U_SPECIALS, "Specials" }
};

static void
print_unicode_subranges (FONTSIGNATURE *fsp)
{
  int i;
  gboolean checked[G_N_ELEMENTS (utab)];
  gboolean need_comma = FALSE;

  memset (checked, 0, sizeof (checked));

  for (i = 0; i < G_N_ELEMENTS (utab); i++)
    if (!checked[i]
	&& (fsp->fsUsb[utab[i].bit/32] & (1 << (utab[i].bit % 32))))
      {
	g_print ("%s %s", (need_comma ? "," : ""), utab[i].name);
	need_comma = TRUE;
	checked[i] = TRUE;
      }
  if (!need_comma)
    g_print (" none!");
  g_print ("\n");
}

static gboolean
check_unicode_subranges (UINT           charset,
			 FONTSIGNATURE *fsp)
{
  gint i;
  gboolean retval = FALSE;

  /* If the fsUsb bit array has at least one of the bits set, trust it */
  for (i = 0; i < U_LAST_PLUS_ONE; i++)
    if (i != U_PRIVATE_USE_AREA && (fsp->fsUsb[i/32] & (1 << (i % 32))))
      return FALSE;

  /* Otherwise, guess what subranges there should be in the font */
  fsp->fsUsb[0] = fsp->fsUsb[1] = fsp->fsUsb[2] = fsp->fsUsb[3] = 0;

#define set_bit(bitno) (fsp->fsUsb[(bitno)/32] |= (1 << ((bitno) % 32)))

  /* Set Unicode subrange bits based on code pages supported.
   * This is mostly just guesswork.
   */

#define check_cp(bit) (fsp->fsCsb[0] & (bit))

  if (check_cp(FS_LATIN1))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_CURRENCY_SYMBOLS);
      retval = TRUE;
    }
  if (check_cp (FS_LATIN2))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_CURRENCY_SYMBOLS);
      retval = TRUE;
    }
  if (check_cp (FS_CYRILLIC))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_CYRILLIC);
      retval = TRUE;
    }
  if (check_cp (FS_GREEK))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_BASIC_GREEK);
      retval = TRUE;
    }
  if (check_cp (FS_TURKISH))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_CURRENCY_SYMBOLS);
      retval = TRUE;
    }
  if (check_cp (FS_HEBREW))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_BASIC_HEBREW);
      set_bit (U_HEBREW_EXTENDED);
      retval = TRUE;
    }
  if (check_cp (FS_ARABIC))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_BASIC_ARABIC);
      set_bit (U_ARABIC_EXTENDED);
      retval = TRUE;
    }
  if (check_cp (FS_BALTIC))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      retval = TRUE;
    }
  if (check_cp (FS_VIETNAMESE))
    {
      /* ??? */
      set_bit (U_BASIC_LATIN);
      retval = TRUE;
    }
  if (check_cp (FS_THAI))
    {
      set_bit (U_BASIC_LATIN);
      set_bit (U_THAI);
      retval = TRUE;
    }
  if (check_cp (FS_JISJAPAN))
    {
      /* Based on MS Gothic */
      set_bit (U_BASIC_LATIN);
      set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
      set_bit (U_HIRAGANA);
      set_bit (U_KATAKANA);
      set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
      set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
      retval = TRUE;
    }
  if (check_cp (FS_CHINESESIMP))
    {
      /* Based on MS Hei */
      set_bit (U_BASIC_LATIN);
      set_bit (U_HIRAGANA);
      set_bit (U_KATAKANA);
      set_bit (U_BOPOMOFO);
      set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
      retval = TRUE;
    }
  if (check_cp (FS_WANSUNG)
      || check_cp (FS_JOHAB))	/* ??? */
    {
      /* Based on GulimChe. I wonder if all Korean fonts
       * really support this large range of Unicode subranges?
       */
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_CYRILLIC);
      set_bit (U_HANGUL_JAMO);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_NUMBER_FORMS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_ENCLOSED_ALPHANUMERICS);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
      set_bit (U_HIRAGANA);
      set_bit (U_KATAKANA);
      set_bit (U_HANGUL_COMPATIBILITY_JAMO);
      set_bit (U_ENCLOSED_CJK);
      set_bit (U_CJK_COMPATIBILITY_FORMS);
      set_bit (U_HANGUL);
      set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
      set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
      set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
      retval = TRUE;
    }
  if (check_cp (FS_CHINESETRAD))
    {
      /* Based on MingLiU */
      set_bit (U_BASIC_LATIN);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
      set_bit (U_BOPOMOFO);
      set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
      set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
      set_bit (U_SMALL_FORM_VARIANTS);
      set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
      retval = TRUE;
    }
  if (check_cp (FS_SYMBOL) || charset == MAC_CHARSET)
    {
      /* Non-Unicode encoding, I guess. Pretend it covers
       * the single-byte range of values.
       */
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      retval = TRUE;
    }

  if (retval)
    return TRUE;

  GDK_NOTE (MISC, g_print ("... No code page bits set!\n"));

  /* Sigh. Not even any code page bits were set. Guess based on
   * charset, then. These somewhat optimistic guesses are based on the
   * table in Appendix M in the book "Developing ..."  mentioned
   * above.
   */
  switch (charset)
    {
    case ANSI_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_COMBINING_DIACRITICAL_MARKS);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
#if 0 /* I find this too hard to believe... */
      set_bit (U_BASIC_GREEK);
      set_bit (U_CYRILLIC);
      set_bit (U_BASIC_HEBREW);
      set_bit (U_HEBREW_EXTENDED);
      set_bit (U_BASIC_ARABIC);
      set_bit (U_ARABIC_EXTENDED);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_NUMBER_FORMS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_ENCLOSED_ALPHANUMERICS);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      set_bit (U_HIRAGANA);
      set_bit (U_KATAKANA);
      set_bit (U_BOPOMOFO);
      set_bit (U_HANGUL_COMPATIBILITY_JAMO);
      set_bit (U_CJK_MISCELLANEOUS);
      set_bit (U_CJK_COMPATIBILITY);
      set_bit (U_HANGUL);
      set_bit (U_HANGUL_SUPPLEMENTARY_A);
      set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
      set_bit (U_ALPHABETIC_PRESENTATION_FORMS);
      set_bit (U_SMALL_FORM_VARIANTS);
      set_bit (U_ARABIC_PRESENTATION_FORMS_B);
      set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
      set_bit (U_SPECIALS);
#endif
      retval = TRUE;
      break;
    case SYMBOL_CHARSET:
      /* Unggh */
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      retval = TRUE;
      break;
    case SHIFTJIS_CHARSET:
    case HANGEUL_CHARSET:
    case GB2312_CHARSET:
    case CHINESEBIG5_CHARSET:
    case JOHAB_CHARSET:
      /* The table really does claim these "locales" (it doesn't
       * talk about charsets per se) cover the same Unicode
       * subranges
       */
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_CYRILLIC);
      set_bit (U_HANGUL_JAMO);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_NUMBER_FORMS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_ENCLOSED_ALPHANUMERICS);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      set_bit (U_CJK_SYMBOLS_AND_PUNCTUATION);
      set_bit (U_HIRAGANA);
      set_bit (U_KATAKANA);
      set_bit (U_BOPOMOFO);
      set_bit (U_HANGUL_COMPATIBILITY_JAMO);
      set_bit (U_CJK_MISCELLANEOUS);
      set_bit (U_CJK_COMPATIBILITY);
      set_bit (U_HANGUL);
      set_bit (U_HANGUL_SUPPLEMENTARY_A);
      set_bit (U_CJK_UNIFIED_IDEOGRAPHS);
      set_bit (U_CJK_COMPATIBILITY_IDEOGRAPHS);
      set_bit (U_ALPHABETIC_PRESENTATION_FORMS);
      set_bit (U_SMALL_FORM_VARIANTS);
      set_bit (U_ARABIC_PRESENTATION_FORMS_B);
      set_bit (U_SPECIALS);
      retval = TRUE;
      break;
    case HEBREW_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_HEBREW);
      set_bit (U_HEBREW_EXTENDED);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_LETTERLIKE_SYMBOLS);
      retval = TRUE; 
      break;
    case ARABIC_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_BASIC_ARABIC);
      set_bit (U_ARABIC_EXTENDED);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      set_bit (U_HALFWIDTH_AND_FULLWIDTH_FORMS);
      retval = TRUE;
      break;
    case GREEK_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_BASIC_GREEK);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      retval = TRUE;
      break;
    case TURKISH_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      retval = TRUE;
      break;
    case VIETNAMESE_CHARSET:
    case THAI_CHARSET:
      /* These are not in the table, so I have no idea */
      break;
    case BALTIC_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      retval = TRUE;
      break;
    case EASTEUROPE_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_LATIN_EXTENDED_A);
      set_bit (U_LATIN_EXTENDED_B);
      set_bit (U_SPACING_MODIFIER_LETTERS);
      set_bit (U_BASIC_GREEK);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_SUPERSCRIPTS_AND_SUBSCRIPTS);
      set_bit (U_CURRENCY_SYMBOLS);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      retval = TRUE;
      break;
    case RUSSIAN_CHARSET:
      set_bit (U_BASIC_LATIN);
      set_bit (U_LATIN_1_SUPPLEMENT);
      set_bit (U_CYRILLIC);
      set_bit (U_GENERAL_PUNCTUATION);
      set_bit (U_LETTERLIKE_SYMBOLS);
      set_bit (U_ARROWS);
      set_bit (U_MATHEMATICAL_OPERATORS);
      set_bit (U_MISCELLANEOUS_TECHNICAL);
      set_bit (U_BOX_DRAWING);
      set_bit (U_BLOCK_ELEMENTS);
      set_bit (U_GEOMETRIC_SHAPES);
      set_bit (U_MISCELLANEOUS_SYMBOLS);
      retval = TRUE;
      break;
    }

#undef set_bit
  return retval;
}

static GdkWin32SingleFont *
gdk_font_load_logfont (LOGFONT *lfp)
{
  GdkWin32SingleFont *singlefont;
  HFONT hfont;
  LOGFONT logfont;
  CHARSETINFO csi;
  HGDIOBJ oldfont;
  int tries;
  gchar face[100];

  for (tries = 0; ; tries++)
    {
      GDK_NOTE (MISC, g_print ("... trying %ld,%ld,%ld,%ld,"
			       "%ld,%d,%d,%d,"
			       "%d,%d,%d,"
			       "%d,%#.02x,\"%s\"\n",
			       lfp->lfHeight, lfp->lfWidth,
			       lfp->lfEscapement, lfp->lfOrientation,
			       lfp->lfWeight, lfp->lfItalic,
			       lfp->lfUnderline, lfp->lfStrikeOut,
			       lfp->lfCharSet,
			       lfp->lfOutPrecision, lfp->lfClipPrecision,
			       lfp->lfQuality, lfp->lfPitchAndFamily,
			       lfp->lfFaceName));
      hfont = CreateFontIndirect (lfp);

      if (hfont != NULL)
	break;
      
      /* If we fail, try some similar fonts often found on Windows. */
      if (tries == 0)
	{
	  if (g_strcasecmp (lfp->lfFaceName, "helvetica") == 0)
	    strcpy (lfp->lfFaceName, "arial");
	  else if (g_strcasecmp (lfp->lfFaceName, "new century schoolbook") == 0)
	    strcpy (lfp->lfFaceName, "century schoolbook");
	  else if (g_strcasecmp (lfp->lfFaceName, "courier") == 0)
	    strcpy (lfp->lfFaceName, "courier new");
	  else if (g_strcasecmp (lfp->lfFaceName, "lucida") == 0)
	    strcpy (lfp->lfFaceName, "lucida sans unicode");
	  else if (g_strcasecmp (lfp->lfFaceName, "lucidatypewriter") == 0)
	    strcpy (lfp->lfFaceName, "lucida console");
	  else if (g_strcasecmp (lfp->lfFaceName, "times") == 0)
	    strcpy (lfp->lfFaceName, "times new roman");
	}
      else if (tries == 1)
	{
	  if (g_strcasecmp (lfp->lfFaceName, "courier") == 0)
	    {
	      strcpy (lfp->lfFaceName, "");
	      lfp->lfPitchAndFamily |= FF_MODERN;
	    }
	  else if (g_strcasecmp (lfp->lfFaceName, "times new roman") == 0)
	    {
	      strcpy (lfp->lfFaceName, "");
	      lfp->lfPitchAndFamily |= FF_ROMAN;
	    }
	  else if (g_strcasecmp (lfp->lfFaceName, "helvetica") == 0
		   || g_strcasecmp (lfp->lfFaceName, "lucida") == 0)
	    {
	      strcpy (lfp->lfFaceName, "");
	      lfp->lfPitchAndFamily |= FF_SWISS;
	    }
	  else
	    {
	      strcpy (lfp->lfFaceName, "");
	      lfp->lfPitchAndFamily = (lfp->lfPitchAndFamily & 0x0F) | FF_DONTCARE;
	    }
	}
      else
	break;
      tries++;
    }

  if (!hfont)
    return NULL;
      
  singlefont = g_new (GdkWin32SingleFont, 1);
  singlefont->hfont = hfont;
  GetObject (singlefont->hfont, sizeof (logfont), &logfont);
  oldfont = SelectObject (_gdk_display_hdc, singlefont->hfont);
  memset (&singlefont->fs, 0, sizeof (singlefont->fs));
  singlefont->charset = GetTextCharsetInfo (_gdk_display_hdc, &singlefont->fs, 0);
  GetTextFace (_gdk_display_hdc, sizeof (face), face);
  SelectObject (_gdk_display_hdc, oldfont);
  if (TranslateCharsetInfo ((DWORD *) singlefont->charset, &csi,
			    TCI_SRCCHARSET)
      && singlefont->charset != MAC_CHARSET)
    singlefont->codepage = csi.ciACP;
  else
    singlefont->codepage = 0;

  GDK_NOTE (MISC, (g_print ("... = %p %s cs %s cp%d\n",
			    singlefont->hfont, face,
			    charset_name (singlefont->charset),
			    singlefont->codepage),
		   g_print ("... Unicode subranges:"),
		   print_unicode_subranges (&singlefont->fs)));
  if (check_unicode_subranges (singlefont->charset, &singlefont->fs))
    GDK_NOTE (MISC, (g_print ("... Guesstimated Unicode subranges:"),
		     print_unicode_subranges (&singlefont->fs)));

  return singlefont;
}

static GdkWin32SingleFont *
gdk_font_load_internal (const gchar *font_name)
{
  LOGFONT logfont;

  char *fn;
  int numfields, n1, n2;
  char foundry[32], family[100], weight[32], slant[32], set_width[32],
    spacing[32], registry[32], encoding[32];
  char pixel_size[10], point_size[10], res_x[10], res_y[10], avg_width[10];
  int c;
  char *p;
  int logpixelsy;

  g_return_val_if_fail (font_name != NULL, NULL);

  GDK_NOTE (MISC, g_print ("gdk_font_load_internal: %s\n", font_name));

  numfields = sscanf (font_name,
		      "-%30[^-]-%100[^-]-%30[^-]-%30[^-]-%30[^-]-%n",
		      foundry,
		      family,
		      weight,
		      slant,
		      set_width,
		      &n1);
  if (numfields == 0)
    {
      /* Probably a plain Windows font name */
      logfont.lfHeight = 0;
      logfont.lfWidth = 0;
      logfont.lfEscapement = 0;
      logfont.lfOrientation = 0;
      logfont.lfWeight = FW_DONTCARE;
      logfont.lfItalic = FALSE;
      logfont.lfUnderline = FALSE;
      logfont.lfStrikeOut = FALSE;
      logfont.lfCharSet = ANSI_CHARSET;
      logfont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
      logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
      logfont.lfQuality = PROOF_QUALITY;
      logfont.lfPitchAndFamily = DEFAULT_PITCH;
      fn = g_filename_from_utf8 (font_name, -1, NULL, NULL, NULL);
      strcpy (logfont.lfFaceName, fn);
      g_free (fn);
    }
  else if (numfields != 5)
    {
      g_warning ("gdk_font_load: font name %s illegal", font_name);
      return NULL;
    }
  else
    {
      /* It must be a XLFD name */

      /* Check for hex escapes in the font family,
       * put in there by logfont_to_xlfd. Convert them in-place.
       */
      p = family;
      while (*p)
	{
	  if (*p == '%' && isxdigit (p[1]) && isxdigit (p[2]))
	    {
	      sscanf (p+1, "%2x", &c);
	      *p = c;
	      strcpy (p+1, p+3);
	    }
	  p++;
	}

      /* Skip add_style which often is empty in the requested font name */
      while (font_name[n1] && font_name[n1] != '-')
	n1++;
      numfields++;

      numfields += sscanf (font_name + n1,
			   "-%8[^-]-%8[^-]-%8[^-]-%8[^-]-%30[^-]-%8[^-]-%30[^-]-%30[^-]%n",
			   pixel_size,
			   point_size,
			   res_x,
			   res_y,
			   spacing,
			   avg_width,
			   registry,
			   encoding,
			   &n2);

      if (numfields != 14 || font_name[n1 + n2] != '\0')
	{
	  g_warning ("gdk_font_load: font name %s illegal", font_name);
	  return NULL;
	}

      logpixelsy = GetDeviceCaps (_gdk_display_hdc, LOGPIXELSY);

      if (strcmp (pixel_size, "*") == 0)
	if (strcmp (point_size, "*") == 0)
	  logfont.lfHeight = 0;
	else
	  logfont.lfHeight = (int) (((double) atoi (point_size))/720.*logpixelsy);
      else
	logfont.lfHeight = atoi (pixel_size);

      logfont.lfWidth = 0;
      logfont.lfEscapement = 0;
      logfont.lfOrientation = 0;

      if (g_strcasecmp (weight, "thin") == 0)
	logfont.lfWeight = FW_THIN;
      else if (g_strcasecmp (weight, "extralight") == 0)
	logfont.lfWeight = FW_EXTRALIGHT;
      else if (g_strcasecmp (weight, "ultralight") == 0)
#ifdef FW_ULTRALIGHT
	logfont.lfWeight = FW_ULTRALIGHT;
#else
	logfont.lfWeight = FW_EXTRALIGHT; /* In fact, FW_ULTRALIGHT really is 
					   * defined as FW_EXTRALIGHT anyway.
					   */
#endif
      else if (g_strcasecmp (weight, "light") == 0)
	logfont.lfWeight = FW_LIGHT;
      else if (g_strcasecmp (weight, "normal") == 0)
	logfont.lfWeight = FW_NORMAL;
      else if (g_strcasecmp (weight, "regular") == 0)
	logfont.lfWeight = FW_REGULAR;
      else if (g_strcasecmp (weight, "medium") == 0)
	logfont.lfWeight = FW_MEDIUM;
      else if (g_strcasecmp (weight, "semibold") == 0)
	logfont.lfWeight = FW_SEMIBOLD;
      else if (g_strcasecmp (weight, "demibold") == 0)
#ifdef FW_DEMIBOLD
	logfont.lfWeight = FW_DEMIBOLD;
#else
	logfont.lfWeight = FW_SEMIBOLD;	/* As above */
#endif
      else if (g_strcasecmp (weight, "bold") == 0)
	logfont.lfWeight = FW_BOLD;
      else if (g_strcasecmp (weight, "extrabold") == 0)
	logfont.lfWeight = FW_EXTRABOLD;
      else if (g_strcasecmp (weight, "ultrabold") == 0)
#ifdef FW_ULTRABOLD
	logfont.lfWeight = FW_ULTRABOLD;
#else
	logfont.lfWeight = FW_EXTRABOLD; /* As above */
#endif
      else if (g_strcasecmp (weight, "heavy") == 0)
	logfont.lfWeight = FW_HEAVY;
      else if (g_strcasecmp (weight, "black") == 0)
#ifdef FW_BLACK
	logfont.lfWeight = FW_BLACK;
#else
	logfont.lfWeight = FW_HEAVY;	/* As above */
#endif
      else
	logfont.lfWeight = FW_DONTCARE;

      if (g_strcasecmp (slant, "italic") == 0
	  || g_strcasecmp (slant, "oblique") == 0
	  || g_strcasecmp (slant, "i") == 0
	  || g_strcasecmp (slant, "o") == 0)
	logfont.lfItalic = TRUE;
      else
	logfont.lfItalic = FALSE;
      logfont.lfUnderline = FALSE;
      logfont.lfStrikeOut = FALSE;
      if (g_strcasecmp (registry, "iso8859") == 0)
	if (strcmp (encoding, "1") == 0)
	  logfont.lfCharSet = ANSI_CHARSET;
	else if (strcmp (encoding, "2") == 0)
	  logfont.lfCharSet = EASTEUROPE_CHARSET;
	else if (strcmp (encoding, "7") == 0)
	  logfont.lfCharSet = GREEK_CHARSET;
	else if (strcmp (encoding, "8") == 0)
	  logfont.lfCharSet = HEBREW_CHARSET;
	else if (strcmp (encoding, "9") == 0)
	  logfont.lfCharSet = TURKISH_CHARSET;
	else
	  logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
      else if (g_strcasecmp (registry, "jisx0208.1983") == 0)
	logfont.lfCharSet = SHIFTJIS_CHARSET;
      else if (g_strcasecmp (registry, "ksc5601.1987") == 0)
	logfont.lfCharSet = HANGEUL_CHARSET;
      else if (g_strcasecmp (registry, "gb2312.1980") == 0)
	logfont.lfCharSet = GB2312_CHARSET;
      else if (g_strcasecmp (registry, "big5") == 0)
	logfont.lfCharSet = CHINESEBIG5_CHARSET;
      else if (g_strcasecmp (registry, "windows") == 0
	       || g_strcasecmp (registry, "microsoft") == 0)
	if (g_strcasecmp (encoding, "symbol") == 0)
	  logfont.lfCharSet = SYMBOL_CHARSET;
	else if (g_strcasecmp (encoding, "shiftjis") == 0)
	  logfont.lfCharSet = SHIFTJIS_CHARSET;
	else if (g_strcasecmp (encoding, "gb2312") == 0)
	  logfont.lfCharSet = GB2312_CHARSET;
	else if (g_strcasecmp (encoding, "hangeul") == 0)
	  logfont.lfCharSet = HANGEUL_CHARSET;
	else if (g_strcasecmp (encoding, "big5") == 0)
	  logfont.lfCharSet = CHINESEBIG5_CHARSET;
	else if (g_strcasecmp (encoding, "johab") == 0)
	  logfont.lfCharSet = JOHAB_CHARSET;
	else if (g_strcasecmp (encoding, "hebrew") == 0)
	  logfont.lfCharSet = HEBREW_CHARSET;
	else if (g_strcasecmp (encoding, "arabic") == 0)
	  logfont.lfCharSet = ARABIC_CHARSET;
	else if (g_strcasecmp (encoding, "greek") == 0)
	  logfont.lfCharSet = GREEK_CHARSET;
	else if (g_strcasecmp (encoding, "turkish") == 0)
	  logfont.lfCharSet = TURKISH_CHARSET;
	else if (g_strcasecmp (encoding, "easteurope") == 0)
	  logfont.lfCharSet = EASTEUROPE_CHARSET;
	else if (g_strcasecmp (encoding, "russian") == 0)
	  logfont.lfCharSet = RUSSIAN_CHARSET;
	else if (g_strcasecmp (encoding, "mac") == 0)
	  logfont.lfCharSet = MAC_CHARSET;
	else if (g_strcasecmp (encoding, "baltic") == 0)
	  logfont.lfCharSet = BALTIC_CHARSET;
	else if (g_strcasecmp (encoding, "cp1251") == 0)
	  logfont.lfCharSet = RUSSIAN_CHARSET;
	else
	  logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
      else
	logfont.lfCharSet = ANSI_CHARSET; /* XXX ??? */
      logfont.lfOutPrecision = OUT_TT_PRECIS;
      logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
      logfont.lfQuality = PROOF_QUALITY;
      if (g_strcasecmp (spacing, "m") == 0)
	logfont.lfPitchAndFamily = FIXED_PITCH;
      else if (g_strcasecmp (spacing, "p") == 0)
	logfont.lfPitchAndFamily = VARIABLE_PITCH;
      else 
	logfont.lfPitchAndFamily = DEFAULT_PITCH;
      fn = g_filename_from_utf8 (family, -1, NULL, NULL, NULL);
      strcpy (logfont.lfFaceName, fn);
      g_free (fn);
    }

  return gdk_font_load_logfont (&logfont);
}

static GdkFont *
gdk_font_from_one_singlefont (GdkWin32SingleFont *singlefont)
{
  GdkFont *font;
  GdkFontPrivateWin32 *private;
  HGDIOBJ oldfont;
  TEXTMETRIC textmetric;

  private = g_new (GdkFontPrivateWin32, 1);
  font = (GdkFont*) private;

  private->base.ref_count = 1;
  private->names = NULL;
  private->fonts = g_slist_append (NULL, singlefont);

  /* Pretend all fonts are fontsets... Gtktext and gtkentry work better
   * that way, they use wide chars, which is necessary for non-ASCII
   * chars to work. (Yes, even Latin-1, as we use Unicode internally.)
   */
  font->type = GDK_FONT_FONTSET;
  oldfont = SelectObject (_gdk_display_hdc, singlefont->hfont);
  GetTextMetrics (_gdk_display_hdc, &textmetric);
  SelectObject (_gdk_display_hdc, oldfont);
  font->ascent = textmetric.tmAscent;
  font->descent = textmetric.tmDescent;

  GDK_NOTE (MISC, g_print ("... asc %d desc %d\n",
			   font->ascent, font->descent));

  return font;
}

GdkFont*
gdk_font_load_for_display (GdkDisplay  *display,
                           const gchar *font_name)
{
  GdkFont *font;
  GdkFontPrivateWin32 *private;
  GdkWin32SingleFont *singlefont;
  HGDIOBJ oldfont;
  TEXTMETRIC textmetric;

  g_return_val_if_fail (font_name != NULL, NULL);
  g_return_val_if_fail (display == gdk_display_get_default (), NULL);

  font = gdk_font_hash_lookup (GDK_FONT_FONTSET, font_name);
  if (font)
    return font;

  private = g_new (GdkFontPrivateWin32, 1);
  font = (GdkFont*) private;

  singlefont = gdk_font_load_internal (font_name);

  private->base.ref_count = 1;
  private->names = NULL;
  private->fonts = g_slist_append (NULL, singlefont);

  /* Pretend all fonts are fontsets... Gtktext and gtkentry work better
   * that way, they use wide chars, which is necessary for non-ASCII
   * chars to work. (Yes, even Latin-1, as we use Unicode internally.)
   */
  font->type = GDK_FONT_FONTSET;
  oldfont = SelectObject (_gdk_display_hdc, singlefont->hfont);
  GetTextMetrics (_gdk_display_hdc, &textmetric);
  SelectObject (_gdk_display_hdc, oldfont);
  font->ascent = textmetric.tmAscent;
  font->descent = textmetric.tmDescent;

  GDK_NOTE (MISC, g_print ("... asc %d desc %d\n",
			   font->ascent, font->descent));

  gdk_font_hash_insert (GDK_FONT_FONTSET, font, font_name);

  return gdk_font_from_one_singlefont (gdk_font_load_internal (font_name));
}

GdkFont*
gdk_font_from_description_for_display (GdkDisplay           *display,
                                       PangoFontDescription *font_desc)
{
  PangoFontMap *font_map;
  PangoFont *font;
  GdkFont *result = NULL;

  g_return_val_if_fail (font_desc != NULL, NULL);
  g_return_val_if_fail (display == gdk_display_get_default (), NULL);

  font_map = pango_win32_font_map_for_display ();
  font = pango_font_map_load_font (font_map, gdk_pango_context_get (), font_desc);

  if (font)
    {
      LOGFONT *lfp =
	pango_win32_font_logfont (font);
      result = gdk_font_from_one_singlefont (gdk_font_load_logfont (lfp));
      g_free (lfp);

      g_object_unref (font);
    }

  return result;
}

GdkFont*
gdk_fontset_load (const gchar *fontset_name)
{
  GdkFont *font;
  GdkFontPrivateWin32 *private;
  GdkWin32SingleFont *singlefont;
  HGDIOBJ oldfont;
  TEXTMETRIC textmetric;
  gchar *fs;
  gchar *b, *p, *s;

  g_return_val_if_fail (fontset_name != NULL, NULL);

  font = gdk_font_hash_lookup (GDK_FONT_FONTSET, fontset_name);
  if (font)
    return font;

  s = fs = g_strdup (fontset_name);
  while (*s && isspace (*s))
    s++;

  g_return_val_if_fail (*s, NULL);

  private = g_new (GdkFontPrivateWin32, 1);
  font = (GdkFont*) private;

  private->base.ref_count = 1;
  private->names = NULL;
  private->fonts = NULL;

  font->type = GDK_FONT_FONTSET;
  font->ascent = 0;
  font->descent = 0;

  while (TRUE)
    {
      if ((p = strchr (s, ',')) != NULL)
	b = p;
      else
	b = s + strlen (s);

      while (isspace (b[-1]))
	b--;
      *b = '\0';
      singlefont = gdk_font_load_internal (s);
      if (singlefont)
	{
	  private->fonts = g_slist_append (private->fonts, singlefont);
	  oldfont = SelectObject (_gdk_display_hdc, singlefont->hfont);
	  GetTextMetrics (_gdk_display_hdc, &textmetric);
	  SelectObject (_gdk_display_hdc, oldfont);
	  font->ascent = MAX (font->ascent, textmetric.tmAscent);
	  font->descent = MAX (font->descent, textmetric.tmDescent);
	}
      if (p)
	{
	  s = p + 1;
	  while (*s && isspace (*s))
	    s++;
	}
      else
	break;
      if (!*s)
	break;
    }
  
  g_free (fs);

  gdk_font_hash_insert (GDK_FONT_FONTSET, font, fontset_name);

  return font;
}

GdkFont*
gdk_fontset_load_for_display (GdkDisplay  *display,
			      const gchar *fontset_name)
{
  g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
  
  return gdk_fontset_load (fontset_name);
}

void
_gdk_font_destroy (GdkFont *font)
{
  GdkFontPrivateWin32 *private = (GdkFontPrivateWin32 *) font;
  GdkWin32SingleFont *singlefont;
  GSList *list;

  singlefont = (GdkWin32SingleFont *) private->fonts->data;
  GDK_NOTE (MISC, g_print ("_gdk_font_destroy %p\n",
			   singlefont->hfont));

  gdk_font_hash_remove (font->type, font);
  
  switch (font->type)
    {
    case GDK_FONT_FONT:
      DeleteObject (singlefont->hfont);
      break;
      
    case GDK_FONT_FONTSET:
      list = private->fonts;
      while (list)
	{
	  singlefont = (GdkWin32SingleFont *) list->data;
	  DeleteObject (singlefont->hfont);
	  
	  list = list->next;
	}
      g_slist_free (private->fonts);
      break;
    }
  g_free (font);
}

gint
_gdk_font_strlen (GdkFont     *font,
		  const gchar *str)
{
  g_return_val_if_fail (font != NULL, -1);
  g_return_val_if_fail (str != NULL, -1);

  return strlen (str);
}

gint
gdk_font_id (const GdkFont *font)
{
  const GdkFontPrivateWin32 *private;

  g_return_val_if_fail (font != NULL, 0);

  private = (const GdkFontPrivateWin32 *) font;

  if (font->type == GDK_FONT_FONT)
    return (gint) ((GdkWin32SingleFont *) private->fonts->data)->hfont;
  else
    return 0;
}

gboolean
gdk_font_equal (const GdkFont *fonta,
                const GdkFont *fontb)
{
  const GdkFontPrivateWin32 *privatea;
  const GdkFontPrivateWin32 *privateb;

  g_return_val_if_fail (fonta != NULL, FALSE);
  g_return_val_if_fail (fontb != NULL, FALSE);

  privatea = (const GdkFontPrivateWin32 *) fonta;
  privateb = (const GdkFontPrivateWin32 *) fontb;

  if (fonta->type == GDK_FONT_FONT && fontb->type == GDK_FONT_FONT)
    return (((GdkWin32SingleFont *) privatea->fonts->data)->hfont
	    == ((GdkWin32SingleFont *) privateb->fonts->data)->hfont);
  else if (fonta->type == GDK_FONT_FONTSET && fontb->type == GDK_FONT_FONTSET)
    {
      GSList *lista = privatea->fonts;
      GSList *listb = privateb->fonts;

      while (lista && listb)
	{
	  if (((GdkWin32SingleFont *) lista->data)->hfont
	      != ((GdkWin32SingleFont *) listb->data)->hfont)
	    return FALSE;
	  lista = lista->next;
	  listb = listb->next;
	}
      if (lista || listb)
	return FALSE;
      else
	return TRUE;
    }
  else
    return FALSE;
}

/* Return the Unicode Subset bitfield number for a Unicode character */

static int
unicode_classify (wchar_t wc)
{
  int min = 0;
  int max = G_N_ELEMENTS (utab) - 1;
  int mid;

  while (max >= min)
    {
      mid = (min + max) / 2;
      if (utab[mid].high < wc)
	min = mid + 1;
      else if (wc < utab[mid].low)
	max = mid - 1;
      else if (utab[mid].low <= wc && wc <= utab[mid].high)
	return utab[mid].bit;
      else
	break;
    }
  /* Fallback... returning -1 might cause problems. Returning
   * U_BASIC_LATIN won't help handling strange characters, but won't
   * do harm either.
   */
  return U_BASIC_LATIN;
}

void
_gdk_wchar_text_handle (GdkFont       *font,
		       const wchar_t *wcstr,
		       int            wclen,
		       void         (*handler)(GdkWin32SingleFont *,
					       const wchar_t *,
					       int,
					       void *),
		       void          *arg)
{
  GdkFontPrivateWin32 *private;
  GdkWin32SingleFont *singlefont;
  GSList *list;
  int  block;
  const wchar_t *start, *end, *wcp;

  wcp = wcstr;
  end = wcp + wclen;
  private = (GdkFontPrivateWin32 *) font;

  g_assert (private->base.ref_count > 0);

  GDK_NOTE (MISC, g_print ("_gdk_wchar_text_handle: "));

  while (wcp < end)
    {
      /* Split Unicode string into pieces of the same class */
      start = wcp;
      block = unicode_classify (*wcp);
      while (wcp + 1 < end && unicode_classify (wcp[1]) == block)
	wcp++;

      /* Find a font in the fontset that can handle this class */
      list = private->fonts;
      while (list)
	{
	  singlefont = (GdkWin32SingleFont *) list->data;
	  
	  if (singlefont->fs.fsUsb[block/32] & (1 << (block % 32)))
	    break;

	  list = list->next;
	}

      if (!list)
	singlefont = NULL;

      GDK_NOTE (MISC, g_print ("%d:%d:%d:%p ",
			       start-wcstr, wcp-wcstr, block,
			       (singlefont ? singlefont->hfont : 0)));

      /* Call the callback function */
      (*handler) (singlefont, start, wcp+1 - start, arg);
      wcp++;
    }
  GDK_NOTE (MISC, g_print ("\n"));
}

typedef struct
{
  SIZE total;
} gdk_text_size_arg;

static void
gdk_text_size_handler (GdkWin32SingleFont *singlefont,
		       const wchar_t      *wcstr,
		       int		   wclen,
		       void		  *argp)
{
  SIZE this_size;
  HGDIOBJ oldfont;
  gdk_text_size_arg *arg = (gdk_text_size_arg *) argp;

  if (!singlefont)
    return;

  if ((oldfont = SelectObject (_gdk_display_hdc, singlefont->hfont)) == NULL)
    {
      WIN32_GDI_FAILED ("SelectObject");
      return;
    }
  GetTextExtentPoint32W (_gdk_display_hdc, wcstr, wclen, &this_size);
  SelectObject (_gdk_display_hdc, oldfont);

  arg->total.cx += this_size.cx;
  arg->total.cy = MAX (arg->total.cy, this_size.cy);
}

gint
gdk_text_width (GdkFont      *font,
		const gchar  *text,
		gint          text_length)
{
  gint width = -1;

  gdk_text_extents (font, text, text_length, NULL, NULL, &width, NULL, NULL);

  return width;
}

gint
gdk_text_width_wc (GdkFont	  *font,
		   const GdkWChar *text,
		   gint		   text_length)
{
  gint width = -1;

  gdk_text_extents_wc (font, text, text_length, NULL, NULL, &width, NULL, NULL);

  return width;
}

void
gdk_text_extents (GdkFont     *font,
                  const gchar *text,
                  gint         text_length,
		  gint        *lbearing,
		  gint        *rbearing,
		  gint        *width,
		  gint        *ascent,
		  gint        *descent)
{
  gdk_text_size_arg arg;
  glong wlen;
  wchar_t *wcstr, wc;

  g_return_if_fail (font != NULL);
  g_return_if_fail (text != NULL);

  if (text_length == 0)
    {
      if (lbearing)
	*lbearing = 0;
      if (rbearing)
	*rbearing = 0;
      if (width)
	*width = 0;
      if (ascent)
	*ascent = 0;
      if (descent)
	*descent = 0;
      return;
    }

  g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);

  arg.total.cx = arg.total.cy = 0;

  if (text_length == 1)
    {
      wc = (guchar) text[0];
      _gdk_wchar_text_handle (font, &wc, 1, gdk_text_size_handler, &arg);
    }
  else
    {
      wcstr = g_utf8_to_utf16 (text, text_length, NULL, &wlen, NULL);
      _gdk_wchar_text_handle (font, wcstr, wlen, gdk_text_size_handler, &arg);
      g_free (wcstr);
    }

  /* XXX This is quite bogus */
  if (lbearing)
    *lbearing = 0;
  if (rbearing)
    *rbearing = arg.total.cx;
  /* What should be the difference between width and rbearing? */
  if (width)
    *width = arg.total.cx;
  if (ascent)
    *ascent = arg.total.cy + 1;
  if (descent)
    *descent = font->descent + 1;
}

void
gdk_text_extents_wc (GdkFont        *font,
		     const GdkWChar *text,
		     gint            text_length,
		     gint           *lbearing,
		     gint           *rbearing,
		     gint           *width,
		     gint           *ascent,
		     gint           *descent)
{
  gdk_text_size_arg arg;
  wchar_t *wcstr;
  gint i;

  g_return_if_fail (font != NULL);
  g_return_if_fail (text != NULL);

  if (text_length == 0)
    {
      if (lbearing)
	*lbearing = 0;
      if (rbearing)
	*rbearing = 0;
      if (width)
	*width = 0;
      if (ascent)
	*ascent = 0;
      if (descent)
	*descent = 0;
      return;
    }

  g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);

  if (sizeof (wchar_t) != sizeof (GdkWChar))
    {
      wcstr = g_new (wchar_t, text_length);
      for (i = 0; i < text_length; i++)
	wcstr[i] = text[i];
    }
  else
    wcstr = (wchar_t *) text;

  arg.total.cx = arg.total.cy = 0;

  _gdk_wchar_text_handle (font, wcstr, text_length,
			 gdk_text_size_handler, &arg);

  if (sizeof (wchar_t) != sizeof (GdkWChar))
    g_free (wcstr);

  /* XXX This is quite bogus */
  if (lbearing)
    *lbearing = 0;
  if (rbearing)
    *rbearing = arg.total.cx;
  if (width)
    *width = arg.total.cx;
  if (ascent)
    *ascent = arg.total.cy + 1;
  if (descent)
    *descent = font->descent + 1;
}

GdkDisplay* 
gdk_font_get_display (GdkFont* font)
{
  return _gdk_display;
}
